Finding the Fourth Proportional to 2,640.33, 3,963.38 and 1,944.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640.33 : 3,963.38 = 1,944.83 : x
2. Step 2: Convert to fraction form
   2,640.33/3,963.38 = 1,944.83/x
3. Step 3: Cross multiply
   2,640.33x = 3,963.38 × 1,944.83
4. Step 4: Simplify right side
   2,640.33x = 7,708,100.51
5. Step 5: Solve for x
   x = 7,708,100.51/2,640.33
6. Step 6: Final answer
   x = 2,919.37